Granulator for EVA (Ethylene Vinyl Acetate) material
By introducing a cleaning component and a magnetically connected cutter design into the granulator, the problem of die head clogging caused by material adhesion is solved, preventing clogging and facilitating maintenance, thereby improving processing efficiency.
Patent Information
- Application Number
- CN202422220942.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-11
- Publication Date
- 2025-09-09
- Estimated Expiration
- 2034-09-11
AI Technical Summary
During the use of existing granulators, materials are easily adhered to the extrusion die head. If it is not cleaned for a long time, the die head will be blocked, affecting the processing effect.
A granulator for EVA materials was designed, which was equipped with a cleaning component, including a cylinder, a connecting plate, a cutter, and a cutter connected by a magnetic suction. The cutter was driven up and down by the cylinder to scrape off the adhesive material, and the magnetic connection facilitated the disassembly and replacement of the cutter.
It effectively prevents the extrusion die from clogging, ensures continuous processing, and improves production efficiency and the convenience of equipment maintenance.
Smart Images

Figure CN223314241U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of granulators, in particular to a granulator for EVA materials. Background Art
[0002] A granulator is a machine that shapes materials into specific shapes. It primarily consists of a feeding, mixing, granulation, transmission, and lubrication system. It produces pellets quickly and effectively, and is widely used in the pharmaceutical, chemical, and food industries.
[0003] When the granulator is in use, the material will be extruded through the extrusion die. The material is in a melted state when it is first extruded. After extrusion, some of the material will adhere to the extrusion die. If it is not cleaned for a long time, the adhered material will accumulate more and more, which will cause the extrusion die to be blocked, resulting in problems affecting processing. Utility Model Content
[0004] The purpose of the utility model is to provide a granulator for EVA material to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: A granulator for EVA materials, comprising a frame, an extrusion die head fixedly arranged above the frame, a cooling assembly and a cutting assembly arranged on the frame, the cooling assembly being located on the right side of the extrusion die head, and the cutting assembly being located on the right side of the cooling assembly, characterized in that a cleaning assembly is provided on the frame, the cleaning assembly comprising a fixing frame fixedly arranged above the frame, a cylinder fixedly arranged above the fixing frame, a connecting plate fixedly arranged below the cylinder piston rod, a mounting block, a cutter, a screw and a nut detachably arranged on the upper and lower sides of the mounting block, the cutter being in contact and connected with the right side wall of the extrusion die head, the connecting plate and the mounting block being provided with through holes, the screw passing through the through holes on the connecting plate and the mounting block and being fixedly connected to the connecting plate and the mounting block through nuts.
[0006] Preferably, mounting grooves are provided on the upper and lower side walls of the mounting block, a magnetic hole is provided on the wall of the mounting groove facing the cutter, an iron sheet is fixedly provided inside the magnetic hole, and a magnetic column is fixedly provided on the side of the cutter facing the mounting block. After the cutter is inserted into the mounting groove, the magnetic column is inserted into the magnetic hole and magnetically connected to the iron sheet inside the magnetic hole.
[0007] Preferably, the cooling assembly includes a water tank fixedly arranged above the rack and a baffle fixedly arranged above the water tank.
[0008] Preferably, a water inlet pipe and a water outlet pipe are fixedly provided on the front side of the water tank, and valves are installed on the water inlet pipe and the water outlet pipe.
[0009] Preferably, filter plates are fixedly provided on the front sides of the water inlet pipe and the water outlet pipe.
[0010] Preferably, a feed hopper is fixedly arranged above the extrusion die head.
[0011] Preferably, the cutter is made of stainless steel.
[0012] The beneficial effects of the utility model are as follows: when the utility model is used, the cutter is inserted into the installation slot, the magnetic column is inserted into the magnetic hole and magnetically connected with the iron sheet inside the magnetic hole, which plays a role in facilitating the disassembly and assembly of the cutter; the water inlet pipe is connected to the faucet through the water pipe, the valve on the water inlet pipe is opened to let water into the water tank, the raw materials are poured into the feed hopper to make them enter the extrusion die head, the extrusion die head melts the raw materials and extrude them into the materials, and the materials fall into the water tank after being extruded, which plays a cooling role. The cooled materials will be transported to the cutting assembly for pelletizing; when a batch of raw materials is processed, some of the materials will adhere to the extrusion die head, and the cylinder is started to move its piston rod up and down, The cutter is driven to move up and down. Since the cutter is in contact with the right side wall of the extrusion die, the cutter will scrape off the material adhered to the extrusion die, thereby preventing the extrusion die from being blocked. When too much material adheres to the cutter below the mounting block or it is worn, the cutter above the mounting block is removed and replaced, thereby facilitating the replacement of the cutter. In summary, the utility model has the beneficial effect of preventing the extrusion die from being blocked, and solves the problem that the material is in a melted state when it is just extruded, and some of the material will adhere to the extrusion die after extrusion. If it is not cleaned for a long time, the bonded material will accumulate more and more, resulting in blockage of the extrusion die, thereby affecting the processing. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Attachment Figure 1 It is a structural diagram of the utility model;
[0014] Attachment Figure 2 It is a schematic diagram of the right side structure of the present utility model;
[0015] Attachment Figure 3 It is a partial explosion diagram of the utility model.
[0016] In the figure: frame 1, extrusion die head 2, fixing frame 3, cylinder 4, connecting plate 5, mounting block 6, cutter 7, screw 8, nut 9, mounting slot 10, magnetic hole 11, magnetic column 12, water tank 13, baffle 14, water inlet pipe 15, water outlet pipe 16, valve 17, filter plate 18, feed hopper 19, cutting assembly 20. DETAILED DESCRIPTION
[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.
[0018] like Figure 1-3As shown, the utility model discloses a granulator for EVA materials, comprising a frame 1, an extrusion die head 2 fixedly arranged above the frame 1, a cooling assembly and a cutting assembly 20 arranged on the frame 1, the cooling assembly being located on the right side of the extrusion die head 2, the cutting assembly 20 being located on the right side of the cooling assembly, a cleaning assembly being provided on the frame 1, the cleaning assembly comprising a fixing frame 3 fixedly arranged above the frame 1, a cylinder 4 fixedly arranged above the fixing frame 3, a connecting plate 5 fixedly arranged below the piston rod of the cylinder 4, a mounting block 6, a cutter 7, a screw 8 and a nut 9 detachably arranged on the upper and lower sides of the mounting block 6, the cutter 7 being in contact with and connected to the right side wall of the extrusion die head 2, a through hole being provided on the connecting plate 5 and the mounting block 6, the screw 8 passing through the through holes on the connecting plate 5 and the mounting block 6 and being fixedly connected to the connecting plate 5 and the mounting block 6 through a nut 9. When the utility model is used, the cutter 7 is inserted into the mounting groove 10, and the magnetic column 12 is inserted into the magnetic hole 11 and magnetically connected to the iron sheet inside the magnetic hole 11, which plays a role in facilitating the disassembly and assembly of the cutter 7; the water inlet pipe 15 is connected to the faucet through the water pipe, and the valve 17 on the water inlet pipe 15 is opened to allow water to enter the water tank 13, and the raw materials are poured into the feed hopper 19 to enter the extrusion die 2, and the extrusion die 2 melts the raw materials and extrudes the materials. After the materials are extruded, they fall into the water tank 13, which plays a cooling role. The cooled materials will be transported to the cutting assembly 20 for pelletizing; when a batch of raw materials is processed, some of the materials will adhere to the extrusion die 2, and the cylinder 4 is started to move its piston rod up and down , driving the cutter 7 to move up and down. Since the cutter 7 is in contact with the right side wall of the extrusion die 2, the cutter 7 will scrape off the material adhered to the extrusion die 2, thereby preventing the extrusion die 2 from being blocked. When too much material is adhered to the cutter 7 below the mounting block 6 or it is worn, the cutter 7 above the mounting block 6 is removed and replaced, which facilitates the replacement of the cutter 7. In summary, the utility model has the beneficial effect of preventing the extrusion die 2 from being blocked, and solves the problem that the material is in a melted state when it is just extruded, and part of the material will adhere to the extrusion die 2 after extrusion. If it is not cleaned for a long time, the bonded material will accumulate more and more, resulting in the problem of clogging the extrusion die 2, which affects the processing.
[0019] Preferably, mounting grooves 10 are provided on both the upper and lower side walls of the mounting block 6, a magnetic hole 11 is provided on the side wall of the mounting groove 10 facing the cutter 7, an iron sheet is fixedly provided inside the magnetic hole 11, and a magnetic column 12 is fixedly provided on the side of the cutter 7 facing the mounting block 6. After the cutter 7 is inserted into the mounting groove 10, the magnetic column 12 is inserted into the magnetic hole 11 and magnetically connected to the iron sheet inside the magnetic hole 11. Since the magnetic column 12 is inserted into the magnetic hole 11 and magnetically connected to the iron sheet inside the magnetic hole 11 after the cutter 7 is inserted into the mounting groove 10, it is convenient to disassemble and assemble the cutter 7, and further convenient to replace the cutter 7.
[0020] Preferably, the cooling assembly includes a water tank 13 fixedly arranged above the rack 1 and a baffle 14 fixedly arranged above the water tank 13. Since the baffle 14 is fixedly arranged above the water tank 13, it plays a role in preventing external impurities from entering the water tank 13.
[0021] Preferably, a water inlet pipe 15 and a water outlet pipe 16 are fixedly provided on the front side of the water tank 13, and valves 17 are installed on the water inlet pipe 15 and the water outlet pipe 16. Since valves 17 are installed on the water inlet pipe 15 and the water outlet pipe 16, it is convenient to control the water inlet and water outlet.
[0022] Preferably, the front sides of the water inlet pipe 15 and the water outlet pipe 16 are fixedly provided with a filter plate 18. Since the front sides of the water inlet pipe 15 and the water outlet pipe 16 are fixedly provided with the filter plate 18, the impurities are filtered out.
[0023] Preferably, a feed hopper 19 is fixedly provided above the extrusion die head 2. Since the feed hopper 19 is fixedly provided above the extrusion die head 2, it facilitates the pouring of materials.
[0024] Preferably, the material of the cutter 7 is stainless steel. Since the material of the cutter 7 is stainless steel, it has the characteristics of wear resistance and heat resistance.
[0025] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A granulator for EVA material, comprising a frame (1), an extrusion die head (2) fixedly arranged above the frame (1), a cooling assembly and a cutting assembly (20) arranged on the frame (1), wherein the cooling assembly is located on the right side of the extrusion die head (2), and the cutting assembly (20) is located on the right side of the cooling assembly, characterized in that: The frame (1) is provided with a cleaning assembly, which comprises a fixing frame (3) fixedly arranged above the frame (1), a cylinder (4) fixedly arranged above the fixing frame (3), a connecting plate (5) fixedly arranged below the piston rod of the cylinder (4), a mounting block (6), a cutter (7) detachably arranged on the upper and lower sides of the mounting block (6), a screw (8) and a nut (9), wherein the cutter (7) is in contact with and connected to the right side wall of the extrusion die head (2), and through holes are provided on the connecting plate (5) and the mounting block (6), and the screw (8) passes through the connecting plate (5) and the mounting block (6). The through hole on the mounting block (6) is fixedly connected to the connecting plate (5) and the mounting block (6) through a nut (9), and the upper and lower side walls of the mounting block (6) are both provided with mounting grooves (10), and the side wall of the mounting groove (10) facing the cutter (7) is provided with a magnetic hole (11), an iron sheet is fixedly provided inside the magnetic hole (11), and a magnetic column (12) is fixedly provided on the side of the cutter (7) facing the mounting block (6), and after the cutter (7) is inserted into the mounting groove (10), the magnetic column (12) is inserted into the magnetic hole (11) and is magnetically connected to the iron sheet inside the magnetic hole (11).
2. The granulator of an EVA material according to claim 1, characterized in that: The cooling assembly comprises a water tank (13) fixedly arranged above the frame (1) and a baffle (14) fixedly arranged above the water tank (13).
3. The granulator of an EVA material according to claim 2, characterized in that: A water inlet pipe (15) and a water outlet pipe (16) are fixedly provided on the front side of the water tank (13), and valves (17) are installed on both the water inlet pipe (15) and the water outlet pipe (16).
4. The granulator of an EVA material according to claim 3, characterized in that: Filter plates (18) are fixedly provided on the front sides of the water inlet pipe (15) and the water outlet pipe (16).
5. The granulator of an EVA material according to claim 1, characterized in that: A feed hopper (19) is fixedly arranged above the extrusion die head (2).
6. The granulator of an EVA material according to claim 1, characterized in that: The material of the cutter (7) is stainless steel.